[INFO] cloning repository https://github.com/Tomiyou/tcp_echo_server_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tomiyou/tcp_echo_server_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomiyou%2Ftcp_echo_server_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomiyou%2Ftcp_echo_server_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d09f383b57130cb3ab42b1879e42c4fc1a6d8a6c
[INFO] checking Tomiyou/tcp_echo_server_rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomiyou%2Ftcp_echo_server_rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tomiyou/tcp_echo_server_rust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tomiyou/tcp_echo_server_rust
[INFO] finished tweaking git repo https://github.com/Tomiyou/tcp_echo_server_rust
[INFO] tweaked toml for git repo https://github.com/Tomiyou/tcp_echo_server_rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Tomiyou/tcp_echo_server_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6736a7e355ead97089872ce0b8b097dc92b52ad48fcc3ff04ccce6f3c6ad3264
[INFO] running `Command { std: "docker" "start" "-a" "6736a7e355ead97089872ce0b8b097dc92b52ad48fcc3ff04ccce6f3c6ad3264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6736a7e355ead97089872ce0b8b097dc92b52ad48fcc3ff04ccce6f3c6ad3264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6736a7e355ead97089872ce0b8b097dc92b52ad48fcc3ff04ccce6f3c6ad3264", kill_on_drop: false }`
[INFO] [stdout] 6736a7e355ead97089872ce0b8b097dc92b52ad48fcc3ff04ccce6f3c6ad3264
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07cd1770e2a07e7346ac7dcb03e53455076994f6afe30df17609bc1c92318bdc
[INFO] running `Command { std: "docker" "start" "-a" "07cd1770e2a07e7346ac7dcb03e53455076994f6afe30df17609bc1c92318bdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]     Checking deranged v0.3.7
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking clap_builder v4.4.9
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking time v0.3.25
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking clap v4.4.10
[INFO] [stderr]     Checking tcp_echo_server_rust v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.90s
[INFO] running `Command { std: "docker" "inspect" "07cd1770e2a07e7346ac7dcb03e53455076994f6afe30df17609bc1c92318bdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07cd1770e2a07e7346ac7dcb03e53455076994f6afe30df17609bc1c92318bdc", kill_on_drop: false }`
[INFO] [stdout] 07cd1770e2a07e7346ac7dcb03e53455076994f6afe30df17609bc1c92318bdc
[INFO] checking Tomiyou/tcp_echo_server_rust against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomiyou%2Ftcp_echo_server_rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Tomiyou/tcp_echo_server_rust on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Tomiyou/tcp_echo_server_rust
[INFO] finished tweaking git repo https://github.com/Tomiyou/tcp_echo_server_rust
[INFO] tweaked toml for git repo https://github.com/Tomiyou/tcp_echo_server_rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Tomiyou/tcp_echo_server_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f411fdd41ab3de035f16c0a45b519ba9c1da001fa312fa6fa96d999942a9c1d
[INFO] running `Command { std: "docker" "start" "-a" "1f411fdd41ab3de035f16c0a45b519ba9c1da001fa312fa6fa96d999942a9c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f411fdd41ab3de035f16c0a45b519ba9c1da001fa312fa6fa96d999942a9c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f411fdd41ab3de035f16c0a45b519ba9c1da001fa312fa6fa96d999942a9c1d", kill_on_drop: false }`
[INFO] [stdout] 1f411fdd41ab3de035f16c0a45b519ba9c1da001fa312fa6fa96d999942a9c1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c13691b409bc1ace25d795c9e73dd8ab715c05a599ab64d0e065daa295afbc9f
[INFO] running `Command { std: "docker" "start" "-a" "c13691b409bc1ace25d795c9e73dd8ab715c05a599ab64d0e065daa295afbc9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]     Checking deranged v0.3.7
[INFO] [stderr]     Checking anstyle-parse v0.2.1
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]     Checking clap_builder v4.4.9
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]     Checking time v0.3.25
[INFO] [stderr]    Compiling clap_derive v4.4.7
[INFO] [stderr]     Checking clap v4.4.10
[INFO] [stderr]     Checking tcp_echo_server_rust v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.84s
[INFO] running `Command { std: "docker" "inspect" "c13691b409bc1ace25d795c9e73dd8ab715c05a599ab64d0e065daa295afbc9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c13691b409bc1ace25d795c9e73dd8ab715c05a599ab64d0e065daa295afbc9f", kill_on_drop: false }`
[INFO] [stdout] c13691b409bc1ace25d795c9e73dd8ab715c05a599ab64d0e065daa295afbc9f